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Imaginary Journey

continuation from "Fox hole", "I wonder…", and "且如是言"

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Fishery

The net has been cast for quite a while. With no satisfactory gain in sight, it’s time to reel it in… Until next time!

Author chunchungPosted on 2008-02-292023-02-16Categories ThinkingLeave a comment on Fishery

The onset

Does it start with locally strongly connected clusters and merge into a system wide network? Or, it starts with a weak global connection which strengthens into maturity.

Author chunchungPosted on 2008-02-262023-02-16Categories ThinkingLeave a comment on The onset

結構化的資料

資料的結構化是指對資料的所在作有層次的組織。有什麼好處呢?它可以利用組織的區域化來減少所需的定位資訊。也可以借由與外在系統的平行對映來增加溝通的可靠度。

Author chunchungPosted on 2008-01-252023-02-19Categories 且如是言, 念頭Leave a comment on 結構化的資料

Conciseness

In programming, beautiful structures often emerge after you try trimming away duplication or redundancy.

Author chunchungPosted on 2008-01-092023-02-16Categories ThinkingLeave a comment on Conciseness

base64 representation of current time

#!/bin/bash
time=$(date +%s%N)
s=$(for b in `bc<<<"obase=256;$time"`; do
j=000`bc<<<"obase=8;$b"`
j="\${j: -3}"
echo -n $j
done)
eval "echo $'$s'"|base64
Author chunchungPosted on 2007-12-28Categories CodeLeave a comment on base64 representation of current time

A place

If we can partition our life into stages, will there be one that we can stand? Or, it’s going to be an eternal struggle to reach the next? I need strength…

Author chunchungPosted on 2007-12-072023-02-16Categories ThinkingLeave a comment on A place

The Chase is On

There is no point in live where one should feel content with one’s growth, in power and ability generally, in mind and control particularly. While contriving, expressing ideas and moving are just the beginnings, the rate will likely determine everything.

Author chunchungPosted on 2007-11-212023-02-16Categories ThinkingLeave a comment on The Chase is On

first snow

It’s that time of the year again…

Author chunchungPosted on 2007-11-162023-02-16Categories logLeave a comment on first snow

映射

這個宇宙到底是很大但有限的,還是真的是無窮的。同樣的,一個東西可以有的狀態(如位置,方向等)是真的是連續的,還是離散而緊密的。

Author chunchungPosted on 2007-11-092023-02-19Categories 且如是言, 念頭Leave a comment on 映射

remove duplicate paths from $PATH in BASH

Here is one that I came up with:
PATH=`awk -F: ‘{for(i=1;i<=NF;i++){if(!($i in a)){a[$i];printf s$i;s=":"}}}'<<<$PATH`

Author chunchungPosted on 2007-11-03Categories Code1 Comment on remove duplicate paths from $PATH in BASH

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